#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
#   http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
#

import glob
import os
import sys
import time
import unittest
from optparse import OptionParser

SCRIPT_DIR = os.path.abspath(os.path.dirname(__file__))
ROOT_DIR = os.path.dirname(os.path.dirname(SCRIPT_DIR))
DEFAULT_LIBDIR_GLOB = os.path.join(ROOT_DIR, 'lib', 'py', 'build', 'lib.*')


class AbstractTest(unittest.TestCase):
  def setUp(self):
    if options.http_path:
      self.transport = THttpClient.THttpClient(options.host, port=options.port, path=options.http_path)
    else:
      if options.ssl:
        from thrift.transport import TSSLSocket
        socket = TSSLSocket.TSSLSocket(options.host, options.port, validate=False)
      else:
        socket = TSocket.TSocket(options.host, options.port)
      # frame or buffer depending upon args
      self.transport = TTransport.TBufferedTransport(socket)
      if options.trans == 'framed':
        self.transport = TTransport.TFramedTransport(socket)
      elif options.trans == 'buffered':
        self.transport = TTransport.TBufferedTransport(socket)
      elif options.trans == '':
        raise AssertionError('Unknown --transport option: %s' % options.trans)
      if options.zlib:
        self.transport = TZlibTransport.TZlibTransport(self.transport, 9)
    self.transport.open()
    protocol = self.get_protocol(self.transport)
    self.client = ThriftTest.Client(protocol)

  def tearDown(self):
    self.transport.close()

  def testVoid(self):
    print('testVoid')
    self.client.testVoid()

  def testString(self):
    print('testString')
    self.assertEqual(self.client.testString('Python' * 20), 'Python' * 20)
    self.assertEqual(self.client.testString(''), '')
    s1 = u'\b\t\n/\\\\\r{}:パイソン"'
    s2 = u"""Afrikaans, Alemannisch, Aragonés, العربية, مصرى,
        Asturianu, Aymar aru, Azərbaycan, Башҡорт, Boarisch, Žemaitėška,
        Беларуская, Беларуская (тарашкевіца), Български, Bamanankan,
        বাংলা, Brezhoneg, Bosanski, Català, Mìng-dĕ̤ng-ngṳ̄, Нохчийн,
        Cebuano, ᏣᎳᎩ, Česky, Словѣ́ньскъ / ⰔⰎⰑⰂⰡⰐⰠⰔⰍⰟ, Чӑвашла, Cymraeg,
        Dansk, Zazaki, ދިވެހިބަސް, Ελληνικά, Emiliàn e rumagnòl, English,
        Esperanto, Español, Eesti, Euskara, فارسی, Suomi, Võro, Føroyskt,
        Français, Arpetan, Furlan, Frysk, Gaeilge, 贛語, Gàidhlig, Galego,
        Avañe'ẽ, ગુજરાતી, Gaelg, עברית, हिन्दी, Fiji Hindi, Hrvatski,
        Kreyòl ayisyen, Magyar, Հայերեն, Interlingua, Bahasa Indonesia,
        Ilokano, Ido, Íslenska, Italiano, 日本語, Lojban, Basa Jawa,
        ქართული, Kongo, Kalaallisut, ಕನ್ನಡ, 한국어, Къарачай-Малкъар,
        Ripoarisch, Kurdî, Коми, Kernewek, Кыргызча, Latina, Ladino,
        Lëtzebuergesch, Limburgs, Lingála, ລາວ, Lietuvių, Latviešu, Basa
        Banyumasan, Malagasy, Македонски, മലയാളം, मराठी, مازِرونی, Bahasa
        Melayu, Nnapulitano, Nedersaksisch, नेपाल भाषा, Nederlands, ‪
        Norsk (nynorsk)‬, ‪Norsk (bokmål)‬, Nouormand, Diné bizaad,
        Occitan, Иронау, Papiamentu, Deitsch, Polski, پنجابی, پښتو,
        Norfuk / Pitkern, Português, Runa Simi, Rumantsch, Romani, Română,
        Русский, Саха тыла, Sardu, Sicilianu, Scots, Sámegiella, Simple
        English, Slovenčina, Slovenščina, Српски / Srpski, Seeltersk,
        Svenska, Kiswahili, தமிழ், తెలుగు, Тоҷикӣ, ไทย, Türkmençe, Tagalog,
        Türkçe, Татарча/Tatarça, Українська, اردو, Tiếng Việt, Volapük,
        Walon, Winaray, 吴语, isiXhosa, ייִדיש, Yorùbá, Zeêuws, 中文,
        Bân-lâm-gú, 粵語"""
    if sys.version_info[0] == 2:
      s1 = s1.encode('utf8')
      s2 = s2.encode('utf8')
    self.assertEqual(self.client.testString(s1), s1)
    self.assertEqual(self.client.testString(s2), s2)

  def testBool(self):
    print('testBool')
    self.assertEqual(self.client.testBool(True), True)
    self.assertEqual(self.client.testBool(False), False)

  def testByte(self):
    print('testByte')
    self.assertEqual(self.client.testByte(63), 63)
    self.assertEqual(self.client.testByte(-127), -127)

  def testI32(self):
    print('testI32')
    self.assertEqual(self.client.testI32(-1), -1)
    self.assertEqual(self.client.testI32(0), 0)

  def testI64(self):
    print('testI64')
    self.assertEqual(self.client.testI64(1), 1)
    self.assertEqual(self.client.testI64(-34359738368), -34359738368)

  def testDouble(self):
    print('testDouble')
    self.assertEqual(self.client.testDouble(-5.235098235), -5.235098235)
    self.assertEqual(self.client.testDouble(0), 0)
    self.assertEqual(self.client.testDouble(-1), -1)
    self.assertEqual(self.client.testDouble(-0.000341012439638598279), -0.000341012439638598279)

  def testBinary(self):
    if isinstance(self, JSONTest):
      self.skipTest('JSON protocol does not handle binary correctly.')
    print('testBinary')
    val = bytearray([i for i in range(0, 256)])
    self.assertEqual(bytearray(self.client.testBinary(bytes(val))), val)

  def testStruct(self):
    print('testStruct')
    x = Xtruct()
    x.string_thing = "Zero"
    x.byte_thing = 1
    x.i32_thing = -3
    x.i64_thing = -5
    y = self.client.testStruct(x)
    self.assertEqual(y, x)

  def testNest(self):
    print('testNest')
    inner = Xtruct(string_thing="Zero", byte_thing=1, i32_thing=-3, i64_thing=-5)
    x = Xtruct2(struct_thing=inner, byte_thing=0, i32_thing=0)
    y = self.client.testNest(x)
    self.assertEqual(y, x)

  def testMap(self):
    print('testMap')
    x = {0: 1, 1: 2, 2: 3, 3: 4, -1: -2}
    y = self.client.testMap(x)
    self.assertEqual(y, x)

  def testSet(self):
    print('testSet')
    x = set([8, 1, 42])
    y = self.client.testSet(x)
    self.assertEqual(y, x)

  def testList(self):
    print('testList')
    x = [1, 4, 9, -42]
    y = self.client.testList(x)
    self.assertEqual(y, x)

  def testEnum(self):
    print('testEnum')
    x = Numberz.FIVE
    y = self.client.testEnum(x)
    self.assertEqual(y, x)

  def testTypedef(self):
    print('testTypedef')
    x = 0xffffffffffffff  # 7 bytes of 0xff
    y = self.client.testTypedef(x)
    self.assertEqual(y, x)

  @unittest.skip('Cannot use dict as dict key')
  def testMapMap(self):
    print('testMapMap')
    # does not work: dict() is not a hashable type, so a dict() cannot be used as a key in another dict()
    x = {{1: 10, 2: 20}, {1: 100, 2: 200, 3: 300}, {1: 1000, 2: 2000, 3: 3000, 4: 4000}}
    y = self.client.testMapMap(x)
    self.assertEqual(y, x)

  def testMulti(self):
    print('testMulti')
    xpected = Xtruct(string_thing='Hello2', byte_thing=74, i32_thing=0xff00ff, i64_thing=0xffffffffd0d0)
    y = self.client.testMulti(xpected.byte_thing,
                              xpected.i32_thing,
                              xpected.i64_thing,
                              {0: 'abc'},
                              Numberz.FIVE,
                              0xf0f0f0)
    self.assertEqual(y, xpected)

  def testException(self):
    print('testException')
    self.client.testException('Safe')
    try:
      self.client.testException('Xception')
      self.fail("should have gotten exception")
    except Xception as x:
      self.assertEqual(x.errorCode, 1001)
      self.assertEqual(x.message, 'Xception')
      # TODO ensure same behavior for repr within generated python variants
      # ensure exception's repr method works
      # x_repr = repr(x)
      # self.assertEqual(x_repr, 'Xception(errorCode=1001, message=\'Xception\')')

    try:
      self.client.testException('TException')
      self.fail("should have gotten exception")
    except TException as x:
      pass

    # Should not throw
    self.client.testException('success')

  def testMultiException(self):
    print('testMultiException')
    try:
      self.client.testMultiException('Xception', 'ignore')
    except Xception as ex:
      self.assertEqual(ex.errorCode, 1001)
      self.assertEqual(ex.message, 'This is an Xception')

    try:
      self.client.testMultiException('Xception2', 'ignore')
    except Xception2 as ex:
      self.assertEqual(ex.errorCode, 2002)
      self.assertEqual(ex.struct_thing.string_thing, 'This is an Xception2')

    y = self.client.testMultiException('success', 'foobar')
    self.assertEqual(y.string_thing, 'foobar')

  def testOneway(self):
    print('testOneway')
    start = time.time()
    self.client.testOneway(1)  # type is int, not float
    end = time.time()
    self.assertTrue(end - start < 3,
                    "oneway sleep took %f sec" % (end - start))

  def testOnewayThenNormal(self):
    print('testOnewayThenNormal')
    self.client.testOneway(1)  # type is int, not float
    self.assertEqual(self.client.testString('Python'), 'Python')


class NormalBinaryTest(AbstractTest):
  def get_protocol(self, transport):
    return TBinaryProtocol.TBinaryProtocolFactory().getProtocol(transport)


class CompactTest(AbstractTest):
  def get_protocol(self, transport):
    return TCompactProtocol.TCompactProtocolFactory().getProtocol(transport)


class JSONTest(AbstractTest):
  def get_protocol(self, transport):
    return TJSONProtocol.TJSONProtocolFactory().getProtocol(transport)


class AcceleratedBinaryTest(AbstractTest):
  def get_protocol(self, transport):
    return TBinaryProtocol.TBinaryProtocolAcceleratedFactory().getProtocol(transport)


def suite():
  suite = unittest.TestSuite()
  loader = unittest.TestLoader()
  if options.proto == 'binary':  # look for --proto on cmdline
    suite.addTest(loader.loadTestsFromTestCase(NormalBinaryTest))
  elif options.proto == 'accel':
    suite.addTest(loader.loadTestsFromTestCase(AcceleratedBinaryTest))
  elif options.proto == 'compact':
    suite.addTest(loader.loadTestsFromTestCase(CompactTest))
  elif options.proto == 'json':
    suite.addTest(loader.loadTestsFromTestCase(JSONTest))
  else:
    raise AssertionError('Unknown protocol given with --protocol: %s' % options.proto)
  return suite


class OwnArgsTestProgram(unittest.TestProgram):
    def parseArgs(self, argv):
        if args:
            self.testNames = args
        else:
            self.testNames = ([self.defaultTest])
        self.createTests()

if __name__ == "__main__":
  parser = OptionParser()
  parser.add_option('--libpydir', type='string', dest='libpydir',
                    help='include this directory in sys.path for locating library code')
  parser.add_option('--genpydir', type='string', dest='genpydir',
                    default='gen-py',
                    help='include this directory in sys.path for locating generated code')
  parser.add_option("--port", type="int", dest="port",
                    help="connect to server at port")
  parser.add_option("--host", type="string", dest="host",
                    help="connect to server")
  parser.add_option("--zlib", action="store_true", dest="zlib",
                    help="use zlib wrapper for compressed transport")
  parser.add_option("--ssl", action="store_true", dest="ssl",
                    help="use SSL for encrypted transport")
  parser.add_option("--http", dest="http_path",
                    help="Use the HTTP transport with the specified path")
  parser.add_option('-v', '--verbose', action="store_const",
                    dest="verbose", const=2,
                    help="verbose output")
  parser.add_option('-q', '--quiet', action="store_const",
                    dest="verbose", const=0,
                    help="minimal output")
  parser.add_option('--protocol', dest="proto", type="string",
                    help="protocol to use, one of: accel, binary, compact, json")
  parser.add_option('--transport', dest="trans", type="string",
                    help="transport to use, one of: buffered, framed")
  parser.set_defaults(framed=False, http_path=None, verbose=1, host='localhost', port=9090, proto='binary')
  options, args = parser.parse_args()

  sys.path.insert(0, os.path.join(SCRIPT_DIR, options.genpydir))
  if options.libpydir:
    sys.path.insert(0, glob.glob(options.libpydir)[0])
  else:
    sys.path.insert(0, glob.glob(DEFAULT_LIBDIR_GLOB)[0])

  from ThriftTest import ThriftTest
  from ThriftTest.ttypes import Xtruct, Xtruct2, Numberz, Xception, Xception2
  from thrift.Thrift import TException
  from thrift.transport import TTransport
  from thrift.transport import TSocket
  from thrift.transport import THttpClient
  from thrift.transport import TZlibTransport
  from thrift.protocol import TBinaryProtocol
  from thrift.protocol import TCompactProtocol
  from thrift.protocol import TJSONProtocol

  OwnArgsTestProgram(defaultTest="suite", testRunner=unittest.TextTestRunner(verbosity=1))
